"""
123
"""
str1="22flandr33"
print(str1)
print(len(str1))
print(str1[3])
print(str1[-2])
print(str1[3:])
print(str1[4:5])
print(print(str1[-2:-4]))
print(str1[-2:5:6])
"""
456
"""
list233=[1,2,3,4,5,6]
print(list233)

str2="112233abc"
str3="12345"
print(str2 + str3)
print(str2 * 2)
print(len(str3))
print(min(str2))
print(str2.index("b"))
print(str2.count("3"))
list2 = [1,1,1,2,2,2]
list3 = [2,2,2,3,3,3]
print(list2 * 3)
print(list2 + list3)
print(len(list3))
print(max(list3))
print(list2.index(2))

"""
z1 lai jian feng
"""